Sporting Goods & Equipment Rentals -- Jackson adventurers may like to flirt with danger, but generally they like to do so fully equipped and handsomely attired. Serious climbers with serious wallets will appreciate the gear at Teton Mountaineering at 170 N. Cache St. (tel. 800/850-3595 or 307/733-3595), a block from the square, where you can get carabiners, killer Nordic skis, and high-grade fleece jackets. Fishermen are lured to High Country Flies at 185 N. Center St. (tel. 877/732-7210 or 307/733-7210), and the Jack Dennis Outdoor Shop on the square at 50 E. Broadway (tel. 800/570-3270 or 307/733-3270). Adventure Sports, at Dornan's in the town of Moose (tel. 307/733-3307), has a small selection of mountain-bike, kayak, and canoe rentals, and advice on where to go with the gear. When snowboards are put away for the summer, the Boardroom switches to BMX bikes and skateboards, at 225 W. Broadway (tel. 307/733-8327). Hoback Sports, 520 W. Broadway Ave. (tel. 307/733-5335), has a large selection of skis, boards, and summer mountain bikes for rent and sale. Equally hip, with a smaller but high-quality selection of bikes and skis, is Edge Sports, 490 W. Broadway (tel. 307/734-3916). Skinny Skis, at 65 W. Deloney Ave. off Town Square (tel. 307/733-6094), is a year-round specialty sports shop and has an excellent selection of equipment and clothing. For a supply of inexpensive, serviceable factory seconds at severely discounted prices, head north to the little town of Moose near the entrance to Grand Teton National Park and shop Moosely Seconds (tel. 307/739-1801).